Messages in this thread |  | | Date | Mon, 20 Nov 2000 04:02:58 -0800 (PST) | From | Andre Hedrick <> | Subject | Re: [PATCH] Large "clipped" IDE disk support for 2.4 when using old BIOS |
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Fixed now and working on it..
On Mon, 20 Nov 2000, T. Yamada wrote:
> > > Both disks claim support for the Host Protected Area feature set. > > No doubt early disks had firmware flaws. > > So it's yet another "borken hardware"... Is there anything like > SCSI "blacklist" for IDE driver? Then it could be handled easily > by registering the drive there and check that out before autodetection. > > > - The routine idedisk_supports_host_protected_area() > > should look at bit 10 of command_set_1, but it does a "& 0x0a". > > Oh, no. Thanks for catching that. It should obviously be 0x0400. > > # I guess it got converted in a way like this: 10th bit -> 10 -> 0x0a. Ugh. > > > - The assignment "hd_cap = hd_max;" is one off: > > Now that explains one missing sector reported previously. Yes, > ATA spec says that the command returns "maximum address", not > number of sectors. > > I'll make a fix and resend a patch - or since the fix is so > simple, I guess Andre can just add these fixes to IDE driver directly. > > -- > Taisuke Yamada <tai@imasy.or.jp> > PGP fingerprint = 6B 57 1B ED 65 4C 7D AE 57 1B 49 A7 F7 C8 23 46 >
Andre Hedrick CTO Timpanogas Research Group EVP Linux Development, TRG Linux ATA Development
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